/*
* Copyright (c) 2009 Lukas Mejdrech
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* - The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/** @addtogroup ip
* @{
*/
/** @file
* Internet protocol interface.
* The same interface is used for standalone remote modules as well as for bundle modules.
* The standalone remote modules have to be compiled with the ip_remote.c source file.
* The bundle modules with the ip.c source file.
*/
#ifndef __NET_IP_INTERFACE_H__
#define __NET_IP_INTERFACE_H__
#include <async.h>
#include <ipc/services.h>
#include "../include/device.h"
#include "../structures/packet/packet.h"
#include "in.h"
/** The transport layer notification function type definition.
* Notifies the transport layer modules about the received packet/s.
* @param device_id The device identifier. Input parameter.
* @param packet The received packet or the received packet queue. Input parameter.
* @param receiver The receiving module service. Input parameter.
* @returns EOK on success.
*/
typedef int ( * tl_received_msg_t )( device_id_t device_id, packet_t packet, services_t receiver );
/** Creates bidirectional connection with the ip module service and registers the message receiver.
* @param service The ip module service. Input parameter.
* @param protocol The transport layer protocol. Input parameter.
* @param me The requesting module service. Input parameter.
* @param receiver The message receiver. Used for remote connection. Input parameter.
* @param tl_received_msg The message processing function. Used if bundled together. Input parameter.
* @returns The phone of the needed service.
* @returns EOK on success.
* @returns Other error codes as defined for the bind_service() function.
*/
int ip_bind_service( services_t service, int protocol, services_t me, async_client_conn_t receiver, tl_received_msg_t tl_received_msg );
/** Registers the new device.
* Registers itself as the ip packet receiver.
* If the device uses ARP registers also the new ARP device.
* @param ip_phone The IP module phone used for (semi)remote calls. Input parameter.
* @param device_id The new device identifier. Input parameter.
* @param netif The underlying device network interface layer service. Input parameter.
* @returns EOK on success.
* @returns ENOMEM if there is not enough memory left.
* @returns EINVAL if the device configuration is invalid.
* @returns ENOTSUP if the device uses IPv6.
* @returns ENOTSUP if the device uses DHCP.
* @returns Other error codes as defined for the net_get_device_conf_req() function.
* @returns Other error codes as defined for the arp_device_req() function.
*/
int ip_device_req( int ip_phone, device_id_t device_id, services_t netif );
/** Sends the packet queue.
* @param ip_phone The internet protocol phone. Input parameter.
* @param device_id The device identifier. Input parameter.
* @param packet The packet queue. Input parameter.
* @param sender The sending module service. Input parameter.
* @returns EOK on success.
* @returns Other error codes as defined for the generic_send_msg() function.
*/
int ip_send_msg( int ip_phone, device_id_t device_id, packet_t packet, services_t sender );
/** Connects to the IP module.
* @param service The IP module service. Ignored parameter.
* @returns The IP module phone on success.
* @returns 0 if called by the bundle module.
*/
int ip_connect_module( services_t service );
/** Adds a route to the device routing table.
* The target network is routed using this device.
* @param ip_phone The internet protocol phone. Input parameter.
* @param device_id The device identifier. Input parameter.
* @param address The target network address. Input parameter.
* @param netmask The target network mask. Input parameter.
* @param gateway The target network gateway. Not used if zero. Input parameter.
*/
int ip_add_route_req( int ip_phone, device_id_t device_id, in_addr_t address, in_addr_t netmask, in_addr_t gateway );
/** Sets the default gateway.
* This gateway is used if no other route is found.
* @param ip_phone The internet protocol phone. Input parameter.
* @param device_id The device identifier. Input parameter.
* @param gateway The default gateway. Input parameter.
*/
int ip_set_gateway_req( int ip_phone, device_id_t device_id, in_addr_t gateway );
/** Returns the device packet dimensions for sending.
* @param ip_phone The internet protocol phone. Input parameter.
* @param device_id The device identifier. Input parameter.
* @param addr_len The minimum reserved address length. Output parameter.
* @param prefix The minimum reserved prefix size. Output parameter.
* @param content The maximum content size. Output parameter.
* @param suffix The minimum reserved suffix size. Output parameter.
* @returns EOK on success.
* @returns EBADMEM if either one of the parameters is NULL.
* @returns ENOENT if there is no such device.
* @returns Other error codes as defined for the generic_packet_size_req() function.
*/
int ip_packet_size_req( int ip_phone, device_id_t device_id, size_t * addr_len, size_t * prefix, size_t * content, size_t * suffix );
#endif
/** @}
*/